McDonnell & Miller High Pressure Remote Sensors And Test-N-Check® Valves Are Used For Tanks, Boilers And Hydronic Systems.
McDonnell & Miller High Pressure Remote Sensors And Test-N-Check® Valves are solidly manufactured for long lasting durability and dependability. Series RS High Pressure Remote Sensors provide multi-level control in tanks, boilers and hydronic systems. Thread into the top of the boiler or tank and are available with probes of varying lengths that can easily be cut to desired set points. 1 or 2 Level sensors available. No blow down required. TC-4 Test-N-Check® Valves simplify ASME CSD-1A code mandated testing of low water cut-offs by eliminating the need to drain the system. Includes one upper and one lower valve for mounting at crosses in equalizing lines. Restricts water flow when the low water cut-off's blow down valve is open. Adjustable built-in vacuum breaker in upper valve provides rapid evacuation of water from the float chamber. 1 inch NPT.